Class: BezierCurver::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/bezier_curver/manager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/bezier_curver/manager.rb', line 7

def initialize
  @control_points = []
  @point_circles = []
  @curve_lines = []
  @control_lines = []
end

Instance Attribute Details

#control_points ⇒ Object (readonly)

Returns the value of attribute control_points.



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# File 'lib/bezier_curver/manager.rb', line 5

def control_points
  @control_points
end

Instance Method Details

#add_control_point(x, y) ⇒ Object 



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# File 'lib/bezier_curver/manager.rb', line 14

def add_control_point(x, y)
  @control_points << [x, y]

  # Display control point
  circle = Circle.new(
    x: x, y: y,
    radius: 5,
    color: 'red',
    z: 10
  )
  @point_circles << circle

  draw_control_lines
  draw_bezier_curves if @control_points.length >= 5
end

#clear_all ⇒ Object 



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# File 'lib/bezier_curver/manager.rb', line 30

def clear_all
  @control_points.clear

  @point_circles.each(&:remove)
  @point_circles.clear

  @curve_lines.each(&:remove)
  @curve_lines.clear

  @control_lines.each(&:remove)
  @control_lines.clear
end